数据析取分类研究与设计

RESEARCH AND DESIGN OF DATA EXTRACTION′S SORTING

对数据仓库体系结构进行分析的基础上给出了数据析取的定义 ,并对数据析取过程进行分类研究 ,分别对这几类数据析取过程进行了分析和描述 ,由此对数据析取工具进行总体设计。

This paper defines the concept of data extraction on the base of analyzing the structure of data warehouses and study data extraction processes, classify it into six types. The paper analyses and describes each of them, the system is divided into four modules.